Neuropsychology, Vol 38(3), Mar 2024, 281-292; doi:10.1037/neu0000934Objective: This study was designed to replicate previous research on the clinical utility of the Verbal Paired Associates (VPA) and Visual Reproduction (VR) subtests of the WMS-IV as embedded performance validity tests (PVTs) and perform a critical item (CR) analysis within the VPA recognition trial. Method: Archival data were collected from a mixed clinical sample of 119 adults (MAge = 42.5, MEducation = 13.9). Classification accuracy was computed against psychometrically defined criterion groups based on the outcome of various free-standing and embedded PVTs. Results: Age-corrected scaled scores ≤ 6 were specific (.89−.98) but had variable sensitivity (.36−.64). A VPA recognition cutoff of ≤ 34 produced a good combination of sensitivity (.46−.56) and specificity (.92−.93), as did a VR recognition cutoff of ≤ 4 (.48−.53 sensitivity at .86−.94 specificity). Critical item analysis expanded the VPA’s sensitivity by 3.5%–7.0% and specificity by 5%–8%. Negative learning curves (declining output on subsequent encoding trials) were rare but highly specific (.99–1.00) to noncredible responding. Conclusions: Results largely support previous reports on the clinical utility of the VPA and VR as embedded PVTs. Sample-specific fluctuations in their classification accuracy warrant further research into the generalizability of the findings. Critical item analysis offers a cost-effective method for increasing confidence in the interpretation of the VPA recognition trial as a PVT. (PsycInfo Database Record (c) 2024 APA, all rights reserved)

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This post is Copyright: | November 2, 2023
Neuropsychology – Vol 38, Iss 3